•The product is charged by USB cable. When the power is running low, it takes about 2 hours to fully charge it. And after fully charged, it can be used for continuously 1-1.5 hours.
•It flashes red light when charging, and green light when fully charged.
•The product has a memory function. When restarted, it will automatically enter the mode that you chose last time.
•The product will turn off automatically if it’s been not used for more than 3 minutes.
•Do not use this product when charging.
•Whenusing, please apply a proper amount of skin care product. If an excessive amount of skin care product is used, it cannot be fully absorbed by the skin , and there is a possibility that the residual liquid will infiltrate into the product and damage it. Please clean the device with a cleansing cloth after using.